1 /*
2 * Copyright (c) 2003 Scott Howlett & Paul Libbrecht.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. The end-user documentation included with the redistribution,
18 * if any, must include the following acknowledgment:
19 * "This product includes software developed by the Xwing
20 * Project ( http://xwing.sourceforge.net/ )."
21 * Alternately, this acknowledgment may appear in the software itself,
22 * if and wherever such third-party acknowledgments normally appear.
23 *
24 * 4. The name "Xwing" must not be used to endorse or promote products
25 * derived from this software without prior written permission. For
26 * written permission, please contact the project authors via
27 * the Xwing project site, http://xwing.sourceforge.net/ .
28 *
29 * 5. Products derived from this software may not be called "Xwing",
30 * nor may "Xwing" appear in their name, without prior written
31 * permission of the Xwing project.
32 *
33 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36 * DISCLAIMED. IN NO EVENT SHALL THE XWING AUTHORS OR THE PROJECT
37 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
39 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 * SUCH DAMAGE.
45 *
46 * For more information on Xwing, please see
47 * < http://xwing.sourceforge.net/ >.
48 */
49
50 package net.sourceforge.xwing.jelly.tags.util;
51
52 import java.io.File;
53
54 import org.apache.commons.jelly.JellyTagException;
55 import org.apache.commons.jelly.MissingAttributeException;
56 import org.apache.commons.jelly.TagSupport;
57 import org.apache.commons.jelly.XMLOutput;
58 import org.apache.commons.lang.StringUtils;
59
60 public class FileTag extends TagSupport {
61
62 private String var;
63 private File file;
64 private String path;
65 private String extension;
66
67 public void doTag(XMLOutput arg) throws JellyTagException {
68 File theFile = null;
69
70 if (var == null) {
71 throw new MissingAttributeException("var");
72 }
73
74 if (path == null && file == null) {
75 throw new JellyTagException("file tag must set " + "path or file");
76 }
77
78 if (file != null) {
79 theFile = path == null ? file : new File(file, path);
80 } else {
81 theFile = new File(path);
82 }
83
84 if (extension != null) {
85 String ext = StringUtils.split(extension, ",")[0].trim();
86 if (!ext.startsWith(".")) {
87 ext = "." + ext;
88 }
89 if (!theFile.getName().toLowerCase().endsWith(ext.toLowerCase())) {
90 theFile = new File(theFile.getPath() + ext);
91 }
92 }
93
94 context.setVariable(var, theFile);
95 }
96
97 public void setVar(String var) {
98 this.var = var;
99 }
100
101 public void setFile(File file) {
102 this.file = file;
103 }
104
105 public void setPath(String path) {
106 this.path = path;
107 }
108
109 public void setExtension(String string) {
110 extension = string;
111 }
112
113 }
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